POR_DT_PMCR
node->nd_write8(node, POR_DT_PMCR, 0);
node->nd_write8(node, POR_DT_PMCR, POR_DT_PMCR_OVFL_INTR_EN);
pmu_cmn600_clr8(arg, nodeid, NODE_TYPE_DTC, POR_DT_PMCR,
pmu_cmn600_set8(arg, nodeid, NODE_TYPE_DTC, POR_DT_PMCR,
pmu_cmn600_set8(arg, nodeid, NODE_TYPE_DTC, POR_DT_PMCR,